A chalcogenide material and chalcogenide memory device having less stringent requirements for formation, improved thermal stability and/or faster operation. The chalcogenide materials include materials comprising Ge, Sb and Te in which the Ge and/or Te content is lean relative to the commonly used Ge2Sb2Te5...http://www.google.com/patents/US7786462?utm_source=gb-gplus-sharePatent US7786462 - Chalcogenide devices exhibiting stable operation from the as-fabricated state
